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Falling sperm quality.
Keiding N, Giwercman A, Carlsen E, Skakkebaek NE. Keiding N, et al. Among authors: carlsen e. BMJ. 1994 Jul 9;309(6947):131. doi: 10.1136/bmj.309.6947.131b. BMJ. 1994. PMID: 8038663 Free PMC article. No abstract available.
[Decline in semen quality from 1930 to 1991].
Carlsen E, Giwercman AJ, Keiding N, Skakkebaek NE. Carlsen E, et al. Ugeskr Laeger. 1993 Aug 16;155(33):2530-5. Ugeskr Laeger. 1993. PMID: 8212356 Review. Danish.
Decreasing quality of semen.
Carlsen E, Giwercman A, Skakkabaek NE, Keiding N. Carlsen E, et al. BMJ. 1993 Feb 13;306(6875):461. doi: 10.1136/bmj.306.6875.461-b. BMJ. 1993. PMID: 8461756 Free PMC article. No abstract available.
294 results